baber/WOPTO huggingface dataset:
Patent GB-1016366-A (GB)
Title: Diphenylyl penicillins
IPC: C07D499/74
Filed: 1963-12-30
Abstract: The invention relates to penicillins of the general formula <FORM:1016366/C2/1> wherein R stands for a halogen atom, 1-4 carbon alkyl, 1-6 carbon alkenyl, 1-4 carbon alkoxy or alkylmercapto, phenyl, carboxyl or carbamoyl which may be substituted with one or two 1-4 carbon alkyl and Z is hydrogen or a cation of an inorganic or organic base, especially an aliphatic or araliphatic amine or diamine. The penicillins are prepared by reacting 6-aminopenicillanic acid with a reactive derivative of an acid of formula <FORM:1016366/C2/2> where R has the meaning given above.  The acid halide, especially the chloride, anhydride or mixed anhydride with chlorocarbonic acid alkyl ester, may be used in the presence of an inorganic or organic base in anhydrous medium.  Suitable salts are the sodium, potassium and triethylamine salts.  Examples describe the preparation of 2-(21-carboxy) diphenylyl penicillin, 2-(21-diethylcarbamoyl) diphenylyl penicillin and 2-(21-isopropyl) diphenylyl penicillin.  The penicillin may be administered orally.
Patent GB-1412414-A (GB)
Title: Evaporators
IPC: F28D9/00
Filed: 1971-11-04
Abstract: 1412414 Plate type evaporator APV CO LTD 26 Oct 1972 [4 Nov 1971] 51347/71 Heading B1B In a plate type evaporator e.g. of the thin film type similar to that described in Specification 1299481, the flow spaces between alternate pairs of gasketed plates are divided into two or more process liquid flow zones 4 and 5, each fed separately through distribution holes 4a and 5a respectively from feed ports 6 which each form part of a separate feed liquid distribution system, further port 2 being for steam feed and port 3 for condensate discharge. The arrangement enables a different feed liquid to be evaporated in each of zones 4 and 5, as for the same feed liquid to be passed twice through the apparatus to be evaporated once in each zone 4 and 5.
Patent GB-1426422-A (GB)
Title: Electrolytic cells having vertical relectrodes
IPC: C25B9/17
Filed: 1974-11-27
Abstract: 1426422 Sealing electrolytic cells SOLVAY & CIE SA 27 Nov 1974 [6 Feb 1974] 51365/74 Heading C7B In an electrolytic cell having alternating, vertical, parallel anodes and cathodes enclosed by a peripheral side wall 3 which rests on a base wall 2, the joint between the walls comprises a rigid framework 10 inserted in an envelope 11 made of corrosion resistant material having a Shore A hardness of 2-20, the envelope covering at least that face 12 of the frame which faces the interior of the cell and being inserted (as at 13, 14) between the frame and each of the walls. The frame may be rectangular of cast iron, steel or glass-fibrereinforced polyester. The envelope 11 may be a cellular, non-conductive synthetic rubber e.g. copolybutadiene-propylene. It may be unitary or comprise three joined pieces. An extension tongue 15 prevents accidental parastic currents between walls 3 and 16. Wall 3 may be steel or concrete and base 2 of Ti. The cell may be a diaphragm cell for chlor-alkali production.
Patent GB-521387-A (GB)
Abstract: 521,387. Hand stamps. VINCENT, E. K. J. Oct. 17, 1939, No. 28018. [Class 100 (ii)]- A device for stamping curved or flat surfaces comprises a holder 1 having a curved or channel shaped recess 2 across which is stretched an elastic diaphragm 3 carrying a die 4, a plunger 8, spring-pressed against the back of the diaphragm, being guided in the ends 1b of the recess 2 by projections 12 engaging recesses 11 in the ends 1b or by projections on the ends  1b engaging recesses in the plunger. The sides of the recess 2 may be partly closed by plates 13. Specification 255,686, [CLass 100 (i)], is referred to.
Patent GB-1492773-A (GB)
Title: Gas sampling device
IPC: G01N1/22
Filed: 1974-12-03
Abstract: 1492773 Gas sampling device J R BOEHRINGER 3 Dec 1974 52286/74 Heading G1B A gas sampling device comprises a crushable tube 4 having a puncturable segment 7, an opening closed by removable closure 1, 2, 3 and optionally a piston 15, Fig. 1 (not shown) snugly fitting within the tube and removable through the opening, the tube, the closure and the piston all being composed of material substantially unaffected by and non-gas absorbent with respect to any gas which the tube is intended to contain. The material may be aluminium, zinc, lead, tin, or tin-lead alloy. In the embodiment shown, the closure comprises deformable metallic facing 3, retaining collar 2 and closure member 1 which when tube 4 contains gas is forced downwardly to crush the tube and so force gases from it when puncturable segment 7 is pierced by sharp tipped tubular member 12. Member 12 is mounted in block 8 which includes resilient bushing 8a and a passage 9a for exhaustion of gas from around member 12 before tube 4 is pierced. Block 8 is mounted against spring 13 held by second block 11. In use, the closure is removed to allow collection of the sample to be tested in tube 4, then tube 4 is reclosed and mounted in block 8. Inert gas is passed through tube 9a, then tube 4 is forced towards block 11, the segment 7 is pierced by the needle and the gas sample passes through connection 14 to gas analyzing apparatus.
Patent GB-1118983-A (GB)
Title: A manual device for punching cards
Inventor: KREBS VLASTIMIL
IPC: B41F1/34
Filed: 1965-12-09
Abstract: 1,118,983. Card punching apparatus. CESKOSLOVENSKA AKADEMIE VED. 9 Dec., 1965 [12 Dec., 1964], No. 52322/65. Heading B4B. A manually-operated card-punching device comprises a base-plate 1, Fig. 1, having a punching mechanism 2, 3 wherein the baseplate 1 has a row or rows of holes 10. A movable transparent stop-plate 5, having a cutout to determine the position of the card 6 to be punched, is located above the base-plate and has a row or rows of holes 11 at right angles to the holes 10 in the base-plate. The position of the plates is determined by a system of numbers 9, e.g. on the top-plate and by two lines 8 on the base-plate at right angles to each other. One of the plates has a device, e.g. pegs or pins 7 or, e.g. a magnet to secure the mutual position of the two plates. In a modification, the holes 11 may be arranged so that any three holes are at the corners of an equilateral triangle. The setting holes in one of the plates 1 and 5 may be replaced by grooves and pins 7 need not be used.
Patent GB-1418589-A (GB)
Title: Device for detecting corona discharge in an enclosed electric device
IPC: H02B13/065
Filed: 1973-11-12
Abstract: 1418589 Corona discharge detecting TOKYO SHIBAURA ELECTRIC CO Ltd and TOKYO ELECTRIC POWER CO Ltd 12 Nov 1973 [10 Nov 1972] 52373/73 Heading G1U [Also in Division H1] Corona discharge between a central high voltage conductor 10, Fig.1, in a gas-filled tube 11a, is detected by the use of an additional annular electrode 19 associated with each insulating conductor support 13. As shown in Fig.3, the additional electrode 19 is arranged on the insulating support 19 so as to be insulated from both the central conductor 10a and the tube wall 11a, which is earthed. Capacitances, shown as Cl and C2, therefore exist between the electrode 19 and both the central conductor and earth. Any corona discharge from the central conductor 10a to the earthed wall 1 la effectively flows through the capacitor voltage divider C1, C2 to earth, and is detected by a tuned impedance ZD to actuate an appropriate indicator M. In a modification Fig.5(not shown) the electrode 19 is embedded within the insulating support 13, and an extra conductor is brought out.
Patent GB-1487088-A (GB)
Title: Stirrer for a centrifugal flotation cell
IPC: B01F7/00
Filed: 1974-12-09
Abstract: 1487088 Agitators; froth flotation KLOCKNER-HUMBOLDT-DEUTZ AG 9 Dec 1974 53183/74 Headings B1C and B2H A stirrer for a froth flotation cell has a shaft 1 carrying a disc-like member comprising at least two parts 2, 3 inclined to the shaft  at an angle other than 90 and inclined to each other, and having radially extending ribs. The ribs may as shown at 5, extend parallel to the apex line(s) 6 and/or on opposite sides of the parts of the disc-like member and over its height as at 4.
Patent GB-1349586-A (GB)
Title: Latex composition and process for producing the same
IPC: C08F236/04
Filed: 1971-11-17
Abstract: 1349586 Laminated carpet POLYSAR Ltd 17 Nov 1971 [11 Dec 1970] 53358/71 Heading B5N [Also in Divisions C3 and D2] In Example V, a carpet is formed by adhering (1) an upper layer of nylon tufts anchored in a woven-jute base, to (2) a jute backing, using an adhesive composition comprising a latex of butadiene/styrene/acrylic acid/acrolein copolymer, talc filler and sodium polyacrylate thickener.
Patent GB-1280715-A (GB)
Title: Improvements in liquid fuel vaporizing combustion systems
Inventor: CARUEL JACQUES EMILE JULES
IPC: F23R3/32
Filed: 1969-10-31
Abstract: 1280715 Vaporizer SOC NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION 31 Oct 1969 [4 Nov 1968] 53398/69 Heading F4T [Also in Division F1] In a liquid fuel vaporizer, especially for gas turbine installations, a tubular shank 21 has partitions 34a and 34b forming a central passage 35 and flanking side passages 36a and 36b, which are supplied with liquid fuel by injectors 41a and 41b, all the said passages being supplied with primary air which flows in the directions of the arrows A1, A2 and A0. The partitions 34a and 34b have orifices 40a and 40b and the tubular shank 21 has orifices 26a and 26b adjacent to its downstream end and communicating with lateral arms 22a and 22b. The central passage 35 preferably has a cross-section greater than the sum of the cross-sections of the flanking side passages so that complete vaporization of the fuel will not occur until the fuel reaches the lateral arms 22a and 22b. A secondary air supply is provided along the annular extension 29 in the direction of the arrows a. In a gas turbine installation, a plurality of the liquid fuel vaporizers are mounted in a conventional arrangement as in Fig. 1 (not shown) which illustrates the mounting of prior art prevaporizing devices. In another embodiment of vaporizer (Fig. 5a, not shown), the central passage (35) has a circular cross-section and the lateral passages 36a and 36b have semi-annular cross-sections.
Patent GB-1199420-A (GB)
Title: Improvements in or relating to Supply Systems for Ground Effect Machines Associated to a Track.
Inventor: GUIENNE PAUL FRANCOIS
IPC: B60V3/04
Filed: 1967-11-23
Abstract: 1,199,420. Air cushion vehicles. BERTIN ET COMPAGNIE. 23 Nov., 1967 [23 Nov., 1966], No. 53435/67. Heading B7K. An air cushion vehicle 1 for operation over a fixed track 5, in the embodiment of inverted T- section, is formed with supporting-cushion spaces 4a, 4b and guiding-cushion spaces 7a, 7b. The supporting cushions are enclosed by flexible skirts 6 at the outer edge of the track and by inner flexible skirts 13a, 13b which are common to the supporting and guiding cushions. Other flexible skirts 11 co-operate with the top edge 5a of the track guide flange. Air is delivered under pressure to the guiding cushions from pumps 8 and ducts 10 and the gap between the respective faces of the guiding rail and the skirts 13a, 13b is such that with sufficient pressure maintained in the guiding cushions air will flow past skirts 13a, 13b into supporting cushion spaces 4a, 4b to maintain the supporting cushions. It is stated that this arrangement provides automatic self-balancing of lateral forces 15 and tilting moments 24. Apparatus is described (Fig. 6, not shown) for maintaining the daylight clearance at the supporting cushions substantially constant. In a further embodiment (Figs. 7-10, not shown) adjustable blow-rate control devices may be provided in place of the simple flexible walls 11 shown in Fig. 1.
Patent GB-1209056-A (GB)
Title: Process for the preparation of pyrazinetetracarboxylic dianhydride
IPC: C07D491/14
Filed: 1967-11-24
Abstract: 1,209,056. Pyrazine tetracarboxylic dianhydride. MONSANTO CO. 24 Nov., 1967 28 Nov., 1966], No. 53658/67. Heading C2C. 2,3,5,6-Pyrazine tetracarboxylic anhydride is prepared by mixing 2,3,5,6-pyrazine tetracarboxylic acid with a dehydrating agent and maintaining the temperature of the resulting mixture below 139‹ C. and below the boiling point of the dehydrating agent. The temperature is preferable maintained below 100‹ C. and more preferably between ambient and 80‹ C. Dehydrating agents may be acetic anhydride, propionic anhydride, acetyl chloride or phosphorus pentoxide.
Patent GB-536812-A (GB)
Abstract: 536,812. Metals, coating; electrolysis. STANDARD STEEL SPRING CO. Oct 19, 1939, No. 28272. Convention date, Oct. 31, 1938. [Class 82 (ii)] [Also in Group XXXVI] In a method of increasing the resistance of metal articles to the effect of embrittling agents, the article is provided with a dense thin primary coating of 0.0001-0.004 of an inch of a corrosive resistant metal and this coating covered with a second layer of metal of a thickness less than the primary coating and the coated article heated to a temperature closely approximating the melting point of the coating for a period of time sufficient to cause the two coatings to be alloyed together. The coating metal may be one of the group consisting of nickel, chromium, copper tin, lead and aluminium and the second coating metal one of the group consisting of zinc cadmium, copper tin lead, aluminium, arsenic and antimony. A third coating of corrosion-resistant metal such as nickel may also be formed on the article so produced. The heating may be carried out in a non-oxidizing atmosphere in an induction furnace. Reference has been directed by the Comptroller to Specifications 400,752 and 428,855.
Patent GB-1154167-A (GB)
Title: A process for the production of Linear Polyesters
IPC: C08G63/42
Filed: 1966-05-19
Abstract: 1,154,167. Polyethylene terephthalate. NIPPON SODA K.K. 19 May, 1966 [24 Sept., 1965; 27 Oct., 1965; 22 Nov., 1965], No. 53892/68. Divided out of 1,154,166. Heading C3R. In the manufacture of polyethylene terephthalate by polycondensing bis(beta-hydroxyethyl) terephthalate or an oligomer thereof, there is used as a catalyst an organic germanium compound having directly attached to the germanium atom at least two alpha-acylmethenyalkoxy, aralkoxy, aryloxy, arylalkoxy, alkylmercapto, arylmercapto, alkylamino, arylamino or halogen substituted or alkyl substituted or alkoxy substituted aryloxy, arylamino or arylmercapto radicals. Two such radicals may be joined to form a ring through the hydrocarbon moieties. The remaining valencies of the germanium atom may be satisfied by halogen, oxygen, sulphur or nitrogen atoms or hydroxy, amino, acyloxy or mercapto radicals. The reaction mixture may include (a) terephthalic acid in an amount of up to 90 mol per cent based on the bis(beta-hydroxyl) terephthalate or its equivalent amount of oligomer and/or (b) isophthalic, adipic, sebacic, isosebacic or p-hydroxybenzoic acid or an alkyl or hydroxyethyl ester thereof.
Patent GB-1405728-A (GB)
Title: Shifting tool for use in a well pipe
IPC: E21B34/14
Filed: 1973-03-29
Abstract: 1405728 Wells &c BAKER OIL TOOLS INC 29 March 1973 [28 July 1972] 54353/74 Divided out of 1405727 Heading E1F The contents are the same as for Specification 1405727 but the claims relate to the tool which can be lowered down the well pipe to open the valve. The tool comprises an inner mandrel 260 attached to a wire line 262 and carries through a pin and slot arrangement a slidable actuator sleeve 268 which is actuable by fluid in the upper well conduit. A latch sleeve 288 is disposed below the sleeve 268 and upon downward movement of the latter, fingers 289 are moved outwardly to engage the locking mechanism sleeve 196. Movement shears the pins 197 holding the sleeve 196 to the pipe body and the sleeve 196 abuts cylinder 185 to open the valve.
Patent GB-1406643-A (GB)
Title: Collet assembly
IPC: H04R1/00
Filed: 1972-11-24
Abstract: 1406643 Fishing rods SHAKESPEARE CO 24 Nov 1972 [26 Nov 1971] 54392/72 Heading A1A [Also in Division F2] In securing a pair of tubular members of a fishing rod together, a split collet 37, 27 of plastics material is wedged axially between conical seats 35, 40 and (16, 25, Fig 2, not shown) to lock it in annular recess 33 or 21. On loosening nut 38 or foregrip 22, the member 31 or 12 moved longitudinally. When employed to secure a blade 12 in a fishing rod handle (11), locating stud 17 enters groove 20 as collet 27 snaps into recess 21. Thereafter, on tightening foregrip 22, the blade 12 is rigidly held in the handle.
Patent GB-1096160-A (GB)
Title: Improved switch
Inventor: BARRETT JAMES PRESTON
IPC: G06M1/10
Filed: 1966-12-06
Abstract: 1,096,160. Mechanical switches. VEEDER INDUSTRIES Inc. Dec. 6, 1966 [Jan. 5, 1966], No. 54478/66. Heading H2B. [Also in Division F2] A selector switch comprising a rotary brush 20 having bridging contacts 18, 19 biased into contact with a printed circuit plate 14 is operated by a ratchet wheel 22 that drives the brush 20 and a pair of drive pawls 46, 48 an flexible fingers 50, 52 forming part of a unitary actuator 44. On manual depression of a button 74 of the actuator against a spring 80, pawl 46 drives wheel 22 counter-clockwise while pawl 48 is flexed downwardly to slip over the teeth. On releasing button 74 it returns to its normal position by spring 80 and causes pawl 48 to drive wheel 22 counter-clockwise while pawl 46 is flexed to slip over the teeth. A part 86 of the actuator engages the ratchet teeth when stationary to prevent overthrow during rotation. An indicator wheel 30 visible through a window 34 is driven by wheel 22 through gearing 40, 42.
Patent GB-1319092-A (GB)
Title: Ultrasonic motion detector device and method
IPC: G01N29/44
Filed: 1970-11-16
Abstract: 1319092 Intruder alarms; fire alarms MINNESOTA MINING & MFG CO 16 Nov 1970 [17 Nov 1969] 54488/70 Heading G4N An ultrasonic motion detector receiver responsive to acoustic energy from a carrier wave radiated into a space to be protected comprises an amplifier 36, Q2, a demodulator 40, a limiter Q4, Q5, a bandpass filter 45 and a circuit 60 capable of operating an alarm 61 in response to modulation on said received carrier within a predetermined frequency band and persisting for a predetermined period. The carrier frequency is preferably 40 kHz; active filter 26 having a pass band between 50 and 200 Hz so as to pass modulation due to movement of an intruder or turbulence due to a fire but to reject environmental noises. The integrator 58 has a discharge time constant due to resistor 70 much greater than the charging time constant due to resistor 66 so that a Schmitt circuit 60 will operate the alarm relay 61 in response to a predetermined number of positive half cycles of modulation signals passed by active filter 26. In Fig. 3 (not shown) integrator 56 uses the Miller principle and includes a feedback path to point E so as to adapt the limiting level to the threshhold noise level.
Patent GB-1247375-A (GB)
Title: Improvements in and relating to cartons and blanks therefor
IPC: B65D5/24
Filed: 1968-11-18
Abstract: 1,247,375. Cartons. AKERLUND & RAUSING A.B. 18 Nov., 1968 [7 Dec., 1967; 19 March, 1968], No. 54629/68. Heading B8P. A trough-like carton is made from a blank comprising a bottom panel 1, four side wall panels 2 to 5 and four corner panels 6 uniting the side wall panels wherein each of the corner panels is divided into three triangular or sector shaped panel portions 6a, 6b, 6c which in the erection of the carton are folded together and secured so as to form a substantially triangular three-layered tuck forming a rigid corner wall inclined to a plane perpendicular to the bottom panel. In the construction shown, the blank is also formed with flange forming panel extensions 7 to 11, the extensions 11 overlapping, in the erected carton, the adjacent extensions of the side wall panels and being secured to them. Each extension 11, as shown, is connected by a fold line to the panel portion 6b but in a modification there can be two extensions at each corner, one connected to the panel portion 6a and the other to the panel portion 6b; the two extensions overlap when the panel portions are folded and each has a portion which overlaps the neighbouring wall panel extension. In a modification of this construction, the portions which overlap are omitted and instead one of the extensions carries a further extension which has portions which overlap both of the adjacent wall panel extensions when the carton is erected. All of the above constructions have triangular panel portions and a carton with sector shaped portions is shown in Fig. 6; the two outer sector shaped portions are integral with the neighbouring side wall panels without fold lines although fold lines can be provided if desired. When the corner portions are folded to provide the sector shaped corners each portion becomes curved.
Patent GB-1206705-A (GB)
Title: Improvements in rotary mowers or grass cutters
Inventor: LOUGHBOROUGH HAROLD WYNN
IPC: A01D34/68
Filed: 1968-11-19
Abstract: 1,206,705. Rotary mower. G. D. MOUNTFIELD Ltd. 9 Oct., 1969 [19 Nov., 1968], No. 54907/68. Heading A1F. [Also in Division F2Q] A vertical axis rotary lawn mower in which the cutting height is continuously adjustable comprises a body 1, driving motor 2, and a rear roller 3 and front wheel 4 which, by means of bell crank levers 5, 7 and 11 and tie rod 12 are vertically movable with respect to the body on actuation of handwheel 14 co-operating with threaded rod 13. The drive to wheels 4 is contained in chain casing 15 and comprises a shaft 21 driven from motor shaft 24 on which a driving sprocket 25 is mounted which drives, via a chain 26, a driven sprocket 27 which is freely rotatable on the clutch shaft 29. A second driving sprocket 32 is fixed on shaft 29 and drive to sprocket 27 is caused when pin 46 on dog clutch ring 47 engages a hole 55 in sprocket 27, thus connecting it to shaft 29. Dog clutch ring 47 is controlled by a Bowden cable via arm 48, rod 49, lever 50 and cable clamp 53. Sprocket 47 is connected by a chain to sprocket 34 which is fixed on hollow shaft 35 rotatable in bearing bushes 36, 37 which themselves are fixed in flanged sleeves 38, 39 respectively. Sleeves 38, 39 pass through oval openings 40, 41 in chain casing 15 so casing 15 can swing in an arc as shaft 35 moves vertically. The wheel driving shaft extends through shaft 35 and is keyed to it. The return run of chain 57 goes round 2 jockey rollers vertically coplanar with chain 57 to ensure constant chain tension. On the lower inner side of casing 15 is a smooth guide strip against which the lower run of chain 57 bears.
Patent GB-1237069-A (GB)
Title: Improvements relating to rotary-piston fuel-injection internal combustion engines
IPC: F02B53/06
Filed: 1969-11-12
Abstract: 1,237,069. Rotary-piston internal combustion engines. DAIMLER-BENZ A. G. Nov. 12, 1969 [Nov. 13, 1968], No. 55338/69. Heading F1F. In a rotary-piston fuel-injection I.C. engine, particularly but not exclusively of the kind having a three-sided piston and a casing with a two-lobed epitrochoidal inner periphery, to improve the charge admission to the engine when idling, a throttle valve 5 fast on a spindle 6 for rotation in an inlet port 2 in the peripheral wall of the engine casing is provided with at least one opening extending there through in the direction of the port when the valve is closed for the admission of air in addition to air admitted through a controllable idling passage 7. As shown, three openings 10 are disposed through the spindle and six openings 11 in a circle through the valve plate. The disposition of the openings together with the injection of fuel in the direction of arrow 15 provides a strong turbulance to produce an intimate mixture, prevents admission into the suction space in the direction of arrow 9 and prevent exhaust gases entering the inlet port 2. The cross-section of the openings 10, 11 and the adjustment of the passage 7 is such that approximately 80% of the air passes through the openings 10, 11. Passages 7 in a multi-unit engine may be adjusted to balance the volume of idling air as between the units.